SUSE-SU-2026:1669-1: important: Security update for the Linux Kernel

SLE-UPDATES null at suse.de
Mon May 4 08:37:43 UTC 2026 


# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1669-1  
Release Date: 2026-05-02T06:12:42Z  
Rating: important  
References:

  * bsc#1262573

  
Cross-References:

  * CVE-2026-31431

  
CVSS scores:

  * CVE-2026-31431 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-31431 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * Development Tools Module 15-SP7
  * Legacy Module 15-SP7
  * Public Cloud Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Availability Extension 15 SP7
  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Live Patching 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Linux Enterprise Workstation Extension 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix one security issue

The following security issue was fixed:

  * CVE-2026-31431: The copy.fail security issue is fixed by revert to operating
    out-of-place in algif_aead (bsc#1262573).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-1673=1

  * Legacy Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-1673=1

  * Public Cloud Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP7-2026-1673=1

  * SUSE Linux Enterprise High Availability Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-1673=1

  * SUSE Linux Enterprise Workstation Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2026-1673=1

  * SUSE Linux Enterprise Live Patching 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-1673=1  
Please note that this is the initial kernel livepatch without fixes itself, this
package is later updated by separate standalone kernel livepatch updates.

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1669=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1669=1

  * SUSE Linux Enterprise Live Patching 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2026-1669=1  
Please note that this is the initial kernel livepatch without fixes itself, this
package is later updated by separate standalone kernel livepatch updates.

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1673=1

## Package List:

  * Development Tools Module 15-SP7 (noarch nosrc)
    * kernel-docs-6.4.0-150700.53.40.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * kernel-obs-build-6.4.0-150700.53.40.1
    * kernel-obs-build-debugsource-6.4.0-150700.53.40.1
    * kernel-syms-6.4.0-150700.53.40.1
  * Development Tools Module 15-SP7 (noarch)
    * kernel-source-6.4.0-150700.53.40.1
  * Legacy Module 15-SP7 (nosrc)
    * kernel-default-6.4.0-150700.53.40.1
  * Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * reiserfs-kmp-default-debuginfo-6.4.0-150700.53.40.1
    * reiserfs-kmp-default-6.4.0-150700.53.40.1
    * kernel-default-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debugsource-6.4.0-150700.53.40.1
  * Public Cloud Module 15-SP7 (aarch64 nosrc x86_64)
    * kernel-azure-6.4.0-150700.53.40.1
  * Public Cloud Module 15-SP7 (aarch64 x86_64)
    * kernel-azure-devel-debuginfo-6.4.0-150700.53.40.1
    * kernel-azure-debugsource-6.4.0-150700.53.40.1
    * kernel-azure-devel-6.4.0-150700.53.40.1
    * kernel-azure-debuginfo-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le
    s390x x86_64)
    * dlm-kmp-default-debuginfo-6.4.0-150700.53.40.1
    * gfs2-kmp-default-6.4.0-150700.53.40.1
    * kernel-default-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debugsource-6.4.0-150700.53.40.1
    * ocfs2-kmp-default-debuginfo-6.4.0-150700.53.40.1
    * cluster-md-kmp-default-debuginfo-6.4.0-150700.53.40.1
    * gfs2-kmp-default-debuginfo-6.4.0-150700.53.40.1
    * cluster-md-kmp-default-6.4.0-150700.53.40.1
    * dlm-kmp-default-6.4.0-150700.53.40.1
    * ocfs2-kmp-default-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise High Availability Extension 15 SP7 (nosrc)
    * kernel-default-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise Workstation Extension 15 SP7 (nosrc)
    * kernel-default-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
    * kernel-default-extra-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-extra-6.4.0-150700.53.40.1
    * kernel-default-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debugsource-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise Live Patching 15-SP7 (nosrc)
    * kernel-default-6.4.0-150700.53.40.1
  * SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64)
    * kernel-default-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debugsource-6.4.0-150700.53.40.1
    * kernel-livepatch-SLE15-SP7_Update_12-debugsource-1-150700.15.3.1
    * kernel-default-livepatch-devel-6.4.0-150700.53.40.1
    * kernel-livepatch-6_4_0-150700_53_40-default-1-150700.15.3.1
    * kernel-default-livepatch-6.4.0-150700.53.40.1
    * kernel-livepatch-6_4_0-150700_53_40-default-debuginfo-1-150700.15.3.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * kernel-default-debuginfo-4.12.14-122.302.1
    * dlm-kmp-default-debuginfo-4.12.14-122.302.1
    * kernel-default-base-debuginfo-4.12.14-122.302.1
    * kernel-default-devel-4.12.14-122.302.1
    * dlm-kmp-default-4.12.14-122.302.1
    * kernel-default-debugsource-4.12.14-122.302.1
    * ocfs2-kmp-default-4.12.14-122.302.1
    * cluster-md-kmp-default-debuginfo-4.12.14-122.302.1
    * kernel-default-base-4.12.14-122.302.1
    * gfs2-kmp-default-4.12.14-122.302.1
    * kernel-syms-4.12.14-122.302.1
    * ocfs2-kmp-default-debuginfo-4.12.14-122.302.1
    * gfs2-kmp-default-debuginfo-4.12.14-122.302.1
    * cluster-md-kmp-default-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64
    nosrc)
    * kernel-default-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * kernel-source-4.12.14-122.302.1
    * kernel-macros-4.12.14-122.302.1
    * kernel-devel-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x)
    * kernel-default-man-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (x86_64)
    * kernel-default-devel-debuginfo-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * kernel-default-debuginfo-4.12.14-122.302.1
    * dlm-kmp-default-debuginfo-4.12.14-122.302.1
    * kernel-default-base-debuginfo-4.12.14-122.302.1
    * kernel-default-devel-4.12.14-122.302.1
    * dlm-kmp-default-4.12.14-122.302.1
    * kernel-default-debugsource-4.12.14-122.302.1
    * kernel-default-devel-debuginfo-4.12.14-122.302.1
    * ocfs2-kmp-default-4.12.14-122.302.1
    * cluster-md-kmp-default-debuginfo-4.12.14-122.302.1
    * kernel-default-base-4.12.14-122.302.1
    * gfs2-kmp-default-4.12.14-122.302.1
    * kernel-syms-4.12.14-122.302.1
    * ocfs2-kmp-default-debuginfo-4.12.14-122.302.1
    * gfs2-kmp-default-debuginfo-4.12.14-122.302.1
    * cluster-md-kmp-default-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (nosrc x86_64)
    * kernel-default-4.12.14-122.302.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * kernel-source-4.12.14-122.302.1
    * kernel-macros-4.12.14-122.302.1
    * kernel-devel-4.12.14-122.302.1
  * SUSE Linux Enterprise Live Patching 12-SP5 (nosrc)
    * kernel-default-4.12.14-122.302.1
  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kernel-default-debuginfo-4.12.14-122.302.1
    * kgraft-patch-4_12_14-122_302-default-1-8.3.1
    * kernel-default-kgraft-devel-4.12.14-122.302.1
    * kernel-default-debugsource-4.12.14-122.302.1
    * kernel-default-kgraft-4.12.14-122.302.1
  * Basesystem Module 15-SP7 (aarch64 nosrc)
    * kernel-64kb-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (aarch64)
    * kernel-64kb-devel-debuginfo-6.4.0-150700.53.40.1
    * kernel-64kb-debugsource-6.4.0-150700.53.40.1
    * kernel-64kb-devel-6.4.0-150700.53.40.1
    * kernel-64kb-debuginfo-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64 nosrc)
    * kernel-default-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le x86_64)
    * kernel-default-base-6.4.0-150700.53.40.1.150700.17.27.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * kernel-default-devel-6.4.0-150700.53.40.1
    * kernel-default-devel-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debuginfo-6.4.0-150700.53.40.1
    * kernel-default-debugsource-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (noarch)
    * kernel-macros-6.4.0-150700.53.40.1
    * kernel-devel-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (nosrc s390x)
    * kernel-zfcpdump-6.4.0-150700.53.40.1
  * Basesystem Module 15-SP7 (s390x)
    * kernel-zfcpdump-debugsource-6.4.0-150700.53.40.1
    * kernel-zfcpdump-debuginfo-6.4.0-150700.53.40.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31431.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262573

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